CVE-2023-30431: IBM Db2 buffer overflow

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-10 · updated 2026-06-17
Weakness: CWE-119

Description

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 db2set is vulnerable to a buffer overflow, caused by improper bounds checking. An attacker could overflow the buffer and execute arbitrary code. IBM X-Force ID: 252184.

Affected products

IBM Db2 for Linux, UNIX and Windows: 10.5.0.11, 11.1.4.7, 11.5

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/252184
https://security.netapp.com/advisory/ntap-20230731-0007/
https://www.ibm.com/support/pages/node/7010565
https://exchange.xforce.ibmcloud.com/vulnerabilities/252184
https://security.netapp.com/advisory/ntap-20230731-0007/
https://www.ibm.com/support/pages/node/7010565

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